CN101508763B - Spray finishing polyurethane rigid foam raw material and foam produced thereof - Google Patents
Spray finishing polyurethane rigid foam raw material and foam produced thereof Download PDFInfo
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- CN101508763B CN101508763B CN 200910019919 CN200910019919A CN101508763B CN 101508763 B CN101508763 B CN 101508763B CN 200910019919 CN200910019919 CN 200910019919 CN 200910019919 A CN200910019919 A CN 200910019919A CN 101508763 B CN101508763 B CN 101508763B
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Abstract
The invention relates to a sprayed rigid polyurethane foam raw material and foam produced therefrom. The sprayed rigid polyurethane insulation foam raw material comprises an isocyanate component and a polyol component, and can be used in various insulating fields. The sprayed rigid polyurethane foam raw material comprises component A and component B, the volume ratio of the component A to the Component B ranges from 1:1 to 1.5:1; the component A is of isocyanate and the component B is of polylol and various additives, and the optional additives comprise a catalyst, a foam stabilizer, a flame retardant and a foaming agent. The sprayed rigid polyurethane foam raw material is characterized in that the foaming agent comprises a chemical foaming agent and a physical foaming agent, the chemical foaming agent is of water, and the physical foaming agent comprises a main foaming agent accounting for 0.1%-30% of the component B and other physical foaming agents based on mass percentage. Products constructed with the foam raw material have good adhesive force and flame retardance, low thermal conductivity and good dimensional stability. The raw material can be conveniently used for rigid polyurethane foam construction in the insulation fields including external wall insulation of buildings.
Description
Technical field
The present invention relates to a kind of hard polyurethane foam raw material and, belong to the polyurethane foam technical field by the foam that described hard polyurethane foam raw material makes.
Background technology
Hard polyurethane foam has good heat-insulating property, and the heat insulation effect of the polyurethane rigid foam plastic of 25 mm thick is equivalent to the polystyrene foam EPS of 40 mm thick, 45 millimeters mineral wool, the concrete of 380 mm thick or 860 millimeters common brick.Under same heat insulation effect, thickness is equivalent to half of EPS approximately.Calculate according to the thermal technology, will reach the target of China's building energy conservation 65% in the North China, hard polyurethane foam thickness only needs 3 centimetres, and the EPS plate thickness needs more than 7 centimetres, and extruded polystyrene XPS plate thickness needs more than 5 centimetres.So hard polyurethane foam sheet material is widely used in the various fields that need insulation, particularly in fields such as building exterior wall heat preserving and steel construction.
The moulding of hard polyurethane foam spray coating foaming promptly is that the dual-component polyurethane rigid foam combination material is directly injected to article surface and foaming, is used for the heat-insulation and heat-preservation in fields such as the body of wall of public building, freezer, grain depot, dwelling house, factory building and country fair booth and roof, storage tank in a large number.The advantage of hard polyurethane foam spraying is:, integral seamless strong with substrate bonding power, and heat insulating ability is good; Physical strength is big; Process simple and easyly, do not need mould, no matter horizontal plane, vertical surface, end face, simple shape or complex surfaces can form the heat insulating layer by spraying, thereby have improved labour productivity greatly; Have functions such as waterproof, sound-absorbing, sound insulation simultaneously concurrently.
But the spraying system of existing market supply can produce a lot of problems when envrionment temperature-10 is spent to 50 degree construction heat-insulating layers, for example foam and base material cohesive force variation, cohesive force is poor between foam layer and the layer, there is the sagging phenomenon in the construction process, be difficult to guarantee that foam surface is smooth, foam density is very big, the side's of going out rate step-down, suchlike problem makes that the construction of combination material is very uneconomical, and causes great engineering safety hidden danger.
Summary of the invention
The object of the present invention is to provide a kind of and base material have bonds well power, flame retardant properties good, have low thermal conductivity and good dimensional stability can the hard polyurethane foam spraying raw material, this raw material can be advantageously used in the hard polyurethane foam construction of field of thermal insulation such as skin.
A kind of spraying polyurethane rigid foam raw material comprises A component and B component, and the volume ratio of A component and B component is 1: 1 to 1.5: 1; The A component is an isocyanic ester, the B component is polyvalent alcohol and auxiliary agent, described auxiliary agent comprises catalyzer, suds-stabilizing agent and whipping agent, its special character is that described whipping agent comprises chemistry and pneumatogen, described chemical foaming agent is a water, and by mass percentage, described pneumatogen comprises with respect to the main foaming agent of B component 0.1%-30% and all the other pneumatogens, described main foaming agent is 1,1-two chloro-1-fluoroethane HCFC-141b; Described all the other pneumatogens are with respect to 1 of the 0.1%-10% of B component, 1,1,2-Tetrafluoroethane HFC-134a is perhaps with respect to the 1-chloro-1 of the 0.1%-10% of B component, 1-methylene fluoride HCFC-22, perhaps with respect to 1,1,1 of the 0.1%-15% of B component, 2-Tetrafluoroethane HFC-134a and 1-chloro-1, the mixture of 1-methylene fluoride HCFC-22; The chemical foaming agent water-content is the 0.01%-0.9% with respect to the B component;
Preferably, described spraying polyurethane rigid foam raw material, by mass percentage, described all the other pneumatogens are with respect to 1,1,1 of the 1%-7% of B component, 2-Tetrafluoroethane HFC-134a, perhaps with respect to the 1-chloro-1 of the 2%-8% of B component, 1-methylene fluoride HCFC-22 is perhaps with respect to 1 of the 3%-12% of B component, 1,1,2-Tetrafluoroethane HFC-134a and 1-chloro-1, the mixture of 1-methylene fluoride HCFC-22; The chemical foaming agent content is the 0.1%-0.7% with respect to the B component;
Preferably, described spraying polyurethane rigid foam raw material, by mass percentage, described all the other pneumatogens are with respect to 1,1,1 of the 2%-5% of B component, 2-Tetrafluoroethane HFC-134a, perhaps with respect to the 1-chloro-1 of the 4%-6% of B component, 1-methylene fluoride HCFC-22 is perhaps with respect to 1 of the 4%-10% of B component, 1,1,2-Tetrafluoroethane HFC-134a and 1-chloro-1, the mixture of 1-methylene fluoride HCFC-22; The chemical foaming agent content is the 0.2%-0.6% with respect to the B component;
Preferably, described auxiliary agent further comprises fire retardant.
Preferably, described A component is an isocyanic ester, comprises in vulcabond, polymethylene multi-phenenyl isocyanate, triisocyanate or the tetraisocyanate one or more;
Preferably, according to mass percent, described B component comprises: the polyol component of 42%-80%; The suds-stabilizing agent of 0.1%-3%; The catalyzer of 0.2%-10%; The whipping agent of 8%-45%;
Preferably, according to mass percent, described B component further comprises the fire retardant with respect to the 5%-45% of the above-mentioned B component that comprises 4 kinds of components;
Preferably, described polyol component is included in polyester polyol that accounts for 5%-60% in the B component or the polyether glycol that accounts for 5%-70% in the B component, and the pure and mild described polyether glycol of described polyester polyols comprises two functionality or above polyether glycol and/or the polyester polyol of two functionality; Described polyether glycol comprises that hydroxyl value is that 350-800mgKOH/g, average functionality are at the polyether glycol more than 3; Polyester polyol comprises aromatic polyester polyol, and its hydroxyl value is 200-400mgKOH/g, and viscosity (25 ℃) is at 1500-4000mPa.s.
Preferably, the content of described polyether glycol in the B component is 10%-40%, and the content of described polyester polyol in the B component is 20%-50%.
Preferably, described catalyzer is amines catalyst or Organometal compound catalyst; Mass percent that described amines catalyst adds is 0.1%-10% with respect to the above-mentioned B component that comprises 4 kinds of components; Described Organometal compound catalyst is for respect to the above-mentioned B component that comprises 4 kinds of components basic metal class or the organic tin catalyzer of 0.1%-10% by mass percentage.
The present invention also provides a kind of foam that is made by described spraying polyurethane rigid foam raw material, and when constructing more than-5 ℃, the cohesive force of described foam and base material is greater than 150KPa in envrionment temperature.
The product of the present invention construction have bonds well power, flame retardant properties good, have low thermal conductivity and good dimensional stability energy, this raw material can be advantageously used in the hard polyurethane foam construction of field of thermal insulation such as skin.
Embodiment
Further specify embodiment of the present invention below in conjunction with embodiment.But the present invention is not limited in these embodiment, also should be included in other any known change in the interest field of the presently claimed invention.
Embodiment 1
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Fire retardant 10-30 part
Blowing agent H CFC-22 2-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
Embodiment 2
Raw material:
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Fire retardant 10-30 part
Blowing agent H FC-134a 1-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
Embodiment 3
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Fire retardant 10-30 part
Blowing agent H CFC-22 2-8 part
Blowing agent H FC-134a 1-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
Embodiment 4
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Blowing agent H CFC-22 2-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
Embodiment 5
Raw material:
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Blowing agent H FC-134a 1-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
Embodiment 6
The B component:
Polyester polyol 20-50 part
Polyether glycol 10-40 part
1.0 parts of silicone oil
Water 0.2-0.6 part
Catalyzer 2-8 part
Blowing agent H CFC-22 2-8 part
Blowing agent H FC-134a 1-8 part
Blowing agent H CFC-141b 10-30 part
The A component:
110 parts of polymethylene multi-phenenyl isocyanate PM-200
Hard polyurethane foam according to above A component and B group construction back generation has following performance.
The product of above embodiment construction have bonds well power, flame retardant properties good, have low thermal conductivity and good dimensional stability energy, this raw material can be advantageously used in the hard polyurethane foam construction of field of thermal insulation such as skin.
Claims (10)
1. a spraying polyurethane rigid foam raw material comprises A component and B component, and the volume ratio of A component and B component is 1: 1 to 1.5: 1; The A component is an isocyanic ester, the B component is polyvalent alcohol and auxiliary agent, described auxiliary agent comprises catalyzer, suds-stabilizing agent and whipping agent, it is characterized in that described whipping agent comprises chemistry and pneumatogen, described chemical foaming agent is a water, by mass percentage, described pneumatogen comprises that with respect to the main foaming agent of B component 0.1%-30% and all the other pneumatogens, described main foaming agent is 1,1-two chloro-1-fluoroethanes; Described all the other pneumatogens are with respect to 1 of the 0.1%-10% of B component, 1,1, the 2-Tetrafluoroethane is perhaps with respect to the 1-chloro-1 of the 0.1%-10% of B component, the 1-methylene fluoride, perhaps with respect to 1,1,1 of the 0.1%-15% of B component, 2-Tetrafluoroethane and 1-chloro-1, the mixture of 1-methylene fluoride; The chemical foaming agent water-content is the 0.01%-0.9% with respect to the B component.
2. according to the described spraying polyurethane rigid foam of claim 1 raw material, it is characterized in that, by mass percentage, described all the other pneumatogens are with respect to 1,1,1 of the 1%-7% of B component, the 2-Tetrafluoroethane, perhaps with respect to the 1-chloro-1 of the 2%-8% of B component, the 1-methylene fluoride is perhaps with respect to 1 of the 3%-12% of B component, 1,1,2-Tetrafluoroethane and 1-chloro-1, the mixture of 1-methylene fluoride; The chemical foaming agent content is the 0.1%-0.7% with respect to the B component.
3. according to the described spraying polyurethane rigid foam of claim 2 raw material, it is characterized in that, by mass percentage, described all the other pneumatogens are with respect to 1,1,1 of the 2%-5% of B component, the 2-Tetrafluoroethane, perhaps with respect to the 1-chloro-1 of the 4%-6% of B component, the 1-methylene fluoride is perhaps with respect to 1 of the 4%-10% of B component, 1,1,2-Tetrafluoroethane and 1-chloro-1, the mixture of 1-methylene fluoride; The chemical foaming agent content is the 0.2%-0.6% with respect to the B component.
4. according to the described spraying polyurethane rigid foam of claim 1 raw material, it is characterized in that described auxiliary agent also comprises fire retardant,, be fire retardant with respect to the 5%-45% of the above-mentioned B component that comprises 4 kinds of components according to mass percent.
5. according to the described spraying polyurethane rigid foam of claim 1 raw material, it is characterized in that described A component is an isocyanic ester, comprise in vulcabond, polymethylene multi-phenenyl isocyanate, triisocyanate or the tetraisocyanate one or more.
6. according to the described spraying polyurethane rigid foam of claim 1 raw material, it is characterized in that,
According to mass percent, described B component comprises: the polyol component of 42%-80%; The suds-stabilizing agent of 0.1%-3%; The catalyzer of 0.2%-10%; The whipping agent of 8%-45%.
7. according to the described spraying polyurethane rigid foam of claim 6 raw material, it is characterized in that,
Described polyol component is included in polyester polyol that accounts for 5%-60% in the B component or the polyether glycol that accounts for 5%-70% in the B component, and this percentage is the mass percent that accounts for the B component; The pure and mild described polyether glycol of described polyester polyols comprises two functionality or above polyether glycol and/or the polyester polyol of two functionality; Described polyether glycol comprises that hydroxyl value is that 350-800mgKOH/g, average functionality are at the polyether glycol more than 3; Polyester polyol comprises aromatic polyester polyol, and its hydroxyl value is 200-400mgKOH/g, under 25 ℃ of the viscosity at 1500-4000mPa.s.
8. according to the described spraying polyurethane rigid foam of claim 7 raw material, it is characterized in that,
The content of described polyether glycol in the B component is 10%-40%, and the content of described polyester polyol in the B component is 20%-50%.
9. according to the described spraying polyurethane rigid foam of claim 4 raw material, it is characterized in that,
Described catalyzer is amines catalyst or Organometal compound catalyst; Mass percent that described amines catalyst adds is 0.1%-10% with respect to the above-mentioned B component that comprises 4 kinds of components; Described Organometal compound catalyst is for respect to the above-mentioned B component that comprises 4 kinds of components basic metal class or the organic tin catalyzer of 0.1%-10% by mass percentage.
10. one kind requires the foam that each described spraying polyurethane rigid foam raw material makes in 1 to 9 by aforesaid right, it is characterized in that, when constructing more than-5 ℃, the cohesive force of described foam and base material is greater than 150KPa in envrionment temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910019919 CN101508763B (en) | 2009-03-17 | 2009-03-17 | Spray finishing polyurethane rigid foam raw material and foam produced thereof |
Applications Claiming Priority (1)
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| CN 200910019919 CN101508763B (en) | 2009-03-17 | 2009-03-17 | Spray finishing polyurethane rigid foam raw material and foam produced thereof |
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| CN101508763A CN101508763A (en) | 2009-08-19 |
| CN101508763B true CN101508763B (en) | 2011-09-21 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633978B (en) * | 2011-02-14 | 2016-04-27 | 北京江森汽车部件有限公司 | Polyurethane foam and preparation method thereof |
| CN102276778A (en) * | 2011-06-15 | 2011-12-14 | 上海大唐盛隆制冷科技有限公司 | Fire-retardant polyurethane hard foam material and preparation method thereof |
| JP2014525485A (en) * | 2011-09-02 | 2014-09-29 | ダウ グローバル テクノロジーズ エルエルシー | Polyurethane rigid foam |
| CN102558482B (en) * | 2011-12-29 | 2013-11-13 | 上海东大聚氨酯有限公司 | Environment-friendly flame-retardant polyurethane wood-imitation material |
| CN102532470A (en) * | 2011-12-30 | 2012-07-04 | 大连亚泰科技新材料有限公司 | Preparation method of environment-friendly inflaming retarding polyurethane rigid foam plastic |
| CN102719186A (en) * | 2012-06-14 | 2012-10-10 | 曹天志 | External insulation material coated to polyurethane hard bubble external wall |
| CN102746641A (en) * | 2012-06-20 | 2012-10-24 | 李志明 | Hard polyurethane wood-like door and preparation method thereof |
| CN103073986B (en) * | 2012-12-19 | 2015-03-11 | 万华化学（宁波）容威聚氨酯有限公司 | Advanced flame-retardant polyurethane spray foam material and preparation method thereof |
| CN103709354A (en) * | 2013-12-06 | 2014-04-09 | 江苏盈天化学有限公司 | Improved production process of composite polyether |
| KR101876936B1 (en) * | 2016-08-11 | 2018-08-09 | (주)동성화인텍 | Composition of high flame retarding polyurethane foam and insulator comprising the same |
| CN111016352B (en) * | 2019-04-30 | 2022-05-27 | 厦门市豪尔新材料股份有限公司 | Integrally-formed thermal self-expansion foam body structure and preparation method thereof |
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Address after: 528518, Ming Industrial Zone, Ming Town, Gaoming District, Guangdong, Foshan, 508 Patentee after: Guangdong Wanhua Rongwei Polyurethane Ltd. Patentee after: Keju Chemical New Material Co., Ltd., Beijing Patentee after: Wanhua Chemical Group Co., Ltd. Address before: 528518, Ming Industrial Zone, Ming Town, Gaoming District, Guangdong, Foshan, 508 Patentee before: Guangdong Wanhua Rongwei Polyurethane Ltd. Patentee before: Keju Chemical New Material Co., Ltd., Beijing Patentee before: Yantai Wanhua Polyurethane Co., Ltd. |
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Owner name: WANHUA CHEMICAL (FOSHAN) RONGWEI POLYURETHANE CO., Free format text: FORMER NAME: GUANGDONG WANHUA RONGWEI POLYURETHANE LTD. |
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Address after: 528518, Ming Industrial Zone, Ming Town, Gaoming District, Guangdong, Foshan, 508 Patentee after: WANHUA CHEMICAL (FOSHAN) RONGWEI POLYURETHANE CO., LTD. Patentee after: Wanhua chemical (Beijing) Co., Ltd. Patentee after: Wanhua Chemical Group Co., Ltd. Address before: 528518, Ming Industrial Zone, Ming Town, Gaoming District, Guangdong, Foshan, 508 Patentee before: Guangdong Wanhua Rongwei Polyurethane Ltd. Patentee before: Keju Chemical New Material Co., Ltd., Beijing Patentee before: Wanhua Chemical Group Co., Ltd. |